280247968

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:727

約数の個数: 144

約数和(自身を含む): 745972416

約数和(自身を除く): 465724448

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 169, 176, 182, 208, 224, 286, 308, 338, 352, 364, 416, 572, 616, 673, 676, 728, 1001, 1144, 1183, 1232, 1346, 1352, 1456, 1859, 2002, 2288, 2366, 2464, 2692, 2704, 2912, 3718, 4004, 4576, 4711, 4732, 5384, 5408, 7403, 7436, 8008, 8749, 9422, 9464, 10768, 13013, 14806, 14872, 16016, 17498, 18844, 18928, 21536, 26026, 29612, 29744, 32032, 34996, 37688, 37856, 51821, 52052, 59224, 59488, 61243, 69992, 75376, 96239, 103642, 104104, 113737, 118448, 122486, 139984, 150752, 192478, 207284, 208208, 227474, 236896, 244972, 279968, 384956, 414568, 416416, 454948, 489944, 673673, 769912, 796159, 829136, 909896, 979888, 1251107, 1347346, 1539824, 1592318, 1658272, 1819792, 1959776, 2502214, 2694692, 3079648, 3184636, 3639584, 5004428, 5389384, 6369272, 8757749, 10008856, 10778768, 12738544, 17515498, 20017712, 21557536, 25477088, 35030996, 40035424, 70061992, 140123984, 280247968]

約数ペア:

[(1, 280247968), (2, 140123984), (4, 70061992), (7, 40035424), (8, 35030996), (11, 25477088), (13, 21557536), (14, 20017712), (16, 17515498), (22, 12738544), (26, 10778768), (28, 10008856), (32, 8757749), (44, 6369272), (52, 5389384), (56, 5004428), (77, 3639584), (88, 3184636), (91, 3079648), (104, 2694692), (112, 2502214), (143, 1959776), (154, 1819792), (169, 1658272), (176, 1592318), (182, 1539824), (208, 1347346), (224, 1251107), (286, 979888), (308, 909896), (338, 829136), (352, 796159), (364, 769912), (416, 673673), (572, 489944), (616, 454948), (673, 416416), (676, 414568), (728, 384956), (1001, 279968), (1144, 244972), (1183, 236896), (1232, 227474), (1346, 208208), (1352, 207284), (1456, 192478), (1859, 150752), (2002, 139984), (2288, 122486), (2366, 118448), (2464, 113737), (2692, 104104), (2704, 103642), (2912, 96239), (3718, 75376), (4004, 69992), (4576, 61243), (4711, 59488), (4732, 59224), (5384, 52052), (5408, 51821), (7403, 37856), (7436, 37688), (8008, 34996), (8749, 32032), (9422, 29744), (9464, 29612), (10768, 26026), (13013, 21536), (14806, 18928), (14872, 18844), (16016, 17498)]